1224654013 has 4 divisors (see below), whose sum is σ = 1335986208. Its totient is φ = 1113321820.

The previous prime is 1224653993. The next prime is 1224654017. The reversal of 1224654013 is 3104564221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1224654013 - 2⁵ = 1224653981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224654017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55666081 + ... + 55666102.

It is an arithmetic number, because the mean of its divisors is an integer number (333996552).

Almost surely, 2^1224654013 is an apocalyptic number.

It is an amenable number.

1224654013 is a deficient number, since it is larger than the sum of its proper divisors (111332195).

1224654013 is a wasteful number, since it uses less digits than its factorization.

1224654013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111332194.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1224654013 is about 34995.0569795221. The cubic root of 1224654013 is about 1069.8867359074.

The spelling of 1224654013 in words is "one billion, two hundred twenty-four million, six hundred fifty-four thousand, thirteen".